2SD2142K
Datasheet
High-gain Amplifier Transistor (30V, 300mA)
l Outline
Parameter
Value
VCES
30V
IC
300mA
SMT3
2SD2142K
SOT-346
l Features
1)Darlington connection for a high hFE.
(DC current gain=5000(Min.)at VCE=3V, IC=10mA)
2)High input impedance.
l Inner circuit
l Application
High gain amplifier
l Packaging specifications
Part No.
Package
Package
size
2SD2142K
SMT3
2928
Taping
code
T146
Reel size Tape width
(mm)
(mm)
180
8
Basic
ordering
unit.(pcs)
Marking
3000
R1M
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1/6
20150730 - Rev.002
2SD2142K
Datasheet
l Absolute maximum ratings (Ta = 25°C)
Parameter
Symbol
Values
Unit
Collector-base voltage
VCBO
30
V
Collector-emitter voltage
VCES
30
V
Emitter-base voltage
VEBO
10
V
Collector current
IC
300
mA
Power dissipation
PD
200
mW
Junction temperature
Tj
150
℃
Tstg
-55 to +150
℃
Range of storage temperature
l Electrical characteristics (Ta = 25°C)
Parameter
Symbol
Values
Conditions
Unit
Min.
Typ.
Max.
Collector-base breakdown voltage
BVCBO
IC = 10μA
30
-
-
V
Collector-emitter breakdown
voltage
BVCES
IC = 100μA
30
-
-
V
Emitter-base breakdown voltage
BVEBO
IE = 10μA
10
-
-
V
Collector cut-off current
ICBO
VCB = 30V
-
-
100
nA
Emitter cut-off current
IEBO
VEB = 10V
-
-
100
nA
Collector-emitter saturation voltage
VCE(sat) IC = 100mA, IB = 0.1mA
-
-
1.5
V
Base-emitter turn
on voltage
VBE(on)*1 VCE = 5V, IC = 100mA
-
-
2
V
5k
-
-
hFE2*1 VCE = 5V, IC = 100mA
10k
-
-
125
-
-
MHz
-
5.4
-
pF
hFE1
DC current gain
VCE = 5V, IC = 10mA
Transition frequency
f T*2
VCE = 5V, IE = -10mA,
f = 100MHz
Output capacitance
Cob
VCB = 10V, IE = 0A,
f = 100kHz
-
*1 Pulse test
*2 Characteristics of built-in transistor
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2/6
20150730 - Rev.002
2SD2142K
Datasheet
l Electrical characteristic curves(Ta = 25°C)
Fig.1 Typical output characteristics (I)
Fig.2 Typical output characteristics (II)
Fig.3 Base emitter 'ON' voltage
vs. collector current
Fig.4 DC current gain vs. collector current (I)
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© 2015 ROHM Co., Ltd. All rights reserved.
3/6
20150730 - Rev.002
2SD2142K
Datasheet
l Electrical characteristic curves(Ta = 25°C)
Fig.5 DC current gain vs. collector current (II)
Fig.6 Collector emitter saturation voltage
vs. collector current
Fig.7 Base emitter saturation voltage
vs. collector current
Fig.8 Current gain-bandwidth product
vs. collector current
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© 2015 ROHM Co., Ltd. All rights reserved.
4/6
20150730 - Rev.002
2SD2142K
Datasheet
l Electrical characteristic curves(Ta = 25°C)
Fig.9 Capacitance vs. reverse bias voltage
Fig.10 Safe Operating Area
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© 2015 ROHM Co., Ltd. All rights reserved.
5/6
20150730 - Rev.002
2SD2142K
Datasheet
l Dimensions
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© 2015 ROHM Co., Ltd. All rights reserved.
6/6
20150730 - Rev.002
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